public static uint CountRevealedWords(this CrosswordContent content, IEnumerable <char> givenCharacters)
{
SortedSet <char> sortedGivenChars = new SortedSet <char>(givenCharacters);
uint count = 0;
foreach (string word in content.WordList)
{
bool wordRevealed = true;
foreach (char c in word)
{
if (!sortedGivenChars.Contains(c))
{
wordRevealed = false;
break;
}
}
if (wordRevealed)
{
++count;
}
}
return(count);
}
public static uint CountExcludedWords(this CrosswordContent crossword, IEnumerable <char> excludedCharacters)
{
SortedSet <char> sortedExcludedChars = new SortedSet <char>(excludedCharacters);
uint count = 0;
foreach (string word in crossword.WordList)
{
foreach (char c in word)
{
if (sortedExcludedChars.Contains(c))
{
++count;
break;
}
}
}
return(count);
}
public LotteryTicket(
uint numberOfGivenCharacters,
CrosswordContent crossword,
SortedDictionary <uint, double> prizeTable)
{
if (numberOfGivenCharacters > (uint)Constants.Alphabet.Length)
{
throw new ArgumentException("The number of given characters cannot exceed the alphabet size.");
}
if (crossword == null)
{
throw new ArgumentNullException("crossword");
}
if (prizeTable == null)
{
throw new ArgumentNullException("prizeTable");
}
NumberOfGivenCharacters = numberOfGivenCharacters;
Crossword = crossword;
PrizeTable = prizeTable;
}